mccoed



(No Model.) 2 Sheets -Sheet 1.

J. MoOORD.

PRESS FOR STEARINB, 6w. 7 No. 275,926. Patented Apr. 17,1883.

WITNESSES: l I INVENTOR lm W0 :BY j ATTORNEY N. Pam Pholo-Lllhognpher. wumn mprc.

2 Sheets-Sheet 2.

J MQOORD. PRESS FOR S-TEARINE, 8w. 7

Patented-Apr. 17,1883.

(No Model.)

WITNESSES:

Mull v7) g INVENTOR ATTORNEY N PETERS Phfloiithogrlpher, Wnhinginn. 0.0.

NITED STATES PATENT OFFICE.

JOHN MGUORD, OF NEW YORK, N. Y., ASSIGNOR OF ONE-HALF TO CHARLES P. HEYWARD, OF SAME PLACE.

SPECIFICATION forming part of Letters Patent No. 275,926, dated April 1'7, 1883.

Application filed February 14, 1883. (No model.)

To all whom it may concern.-

Be it known that I, JOHN'MOCORD, a citizen of the United States of North America,

and a resident of the city, county, and State of New York, have invented a new and useful Improvement in Presses for Stearine and other Articles, of which the following is aspecification.

The object of this invention is to provide an improved press whereby continuously-increasing pressure may be automatically applied to any articles under pressure.

The invention relates to that class of devices called lever-presses, and it consists,in combination with the ram or follower-plate, of extension-levers of novel construction and arrangement, and of certain other details of improved construction, allof which will hereinafter appear.

Reference is to be had to the accompanying drawings, forming part of this specification, in which similar letters of reference indicate corresponding parts in all the drawings.

Figure l is a partly-sectional side elevation of my improved press. Fig. 2 is a plan of the same.

In the drawings, A represents a tank or receptacle closed at the top by a perforated plate, B, provided with a spout, a, and with an internal coil, 1), of pipe adapted for the passage of hot water or steam for keeping the contents of the tank A (if they be oleaginous) liquid, so that they mayflow readily. The perforated plate B, that forms the top of the tank A,forms also the bottom of the cylinder 0, which is provided with lateral perforations o c, and with a door, (I, that may be closed and fastened to prevent the egress of the material under pressure, and may be opened for the removal of the residuum or the material or article that has been subjected to pressure.

From opposite sides ofthe cylinder 0 rise two standards, D D, that support the mech-- anism of the device. A ram or follower-plate, E,provided with perforations f f, is fitted into the top of the cylinder 0, and is adapted to be moved up and down in the same.

From the follower-plate E rise four guidestandards,g g, that support and guide a plate,

by the insertion of pins h h, beneath its ends, through holes i t in said standards g g.

On a rod, G, extending between the standards D D, are pivoted or hung, so that they may freely move in vertical planes, two opposite pairs of extension-levers, H H, the inner section, H, of each of which is constructed with a downward-projecting eccentric offset or head, 70, at its pivoted end, that is designed to rest always on the adjustable plate F, while the shank or arm of each lever is longitudinally slotted, as shown at l. The inner sections of each pair of levers H are united at their outer ends by a bar, at. The outer sections, H of the levers H are each composed of a pair of parallel bars held together at their outer ends by transverse rods n, and having their inner ends held respectively in slots lby the engagement of their-lateral studs 0 therein. To the outer ends of these extension-levers H are suspended swinging weigh ts K K, that are connected in pairs by transverse rods 1).

In the standards D D, above the rod G, is journaled a shaft, L, on which is secured a spur-wheel, L, that meshes with a pinion, M, which is fixed on a shaft, M, supported by the standards D D, and having a erank-handle,l\l

On the outer end of the shaft-L is secured a ratchet-wheel, L in which a pawl, 1", is designed to engage.

Chains O O extend from each bar or rod a to the shaft L, whereby the outer ends of the levers H and the weights K K may be drawn inward and upward, as shown in full lines, Fig. 1, and their descent be retarded at will.

Above the shaft M a'shait, N, is journaled in the standards D D, and has fixed on it a sheave, N, over which is passed the bight of a chain, I, one end of which passes down through the plate F, and is made fast to the center of the follower-plate E,'while the other end is made fast to the shaft L, by the rotation of which the said chain P may be wound up, with the effect of elevating the said followerplate E above the door cl for the introduction beneath said plate into the cylinder 0 of any substance or matter that is to be subjected to pressure.

The parts being in the position shown in F, which may be adjusted at a desired level full lines, Fig.1, with the lovers H H elevated ICO and retracted, or drawn in as far as possible, and the ends of the weights K K also drawn inward toward each other from the perpendicular, and with the follower-plate E raised to its highest point, the matter to be pressed is introduced through the door d, which is then closed and fastened. disengaged from the ratchet-wheel L ,the shafts L M N are free to revolve, and the weights K K at once begin by gravity to swing outward, and-the levers H H to which said weights are attached, to incline downward, and as the cocentric ends of said levers H H rest. on the plate I that is held on the standards 9 g by pins h h, as before stated, it follows that a downward pressure is exerted by said levers and weights on the plate F, with the efl'ect of pressing the follower-plate E down upon the matter to be pressed. As the plates F E move downward their pressure increases, because of the corresponding depression of the outer ends of the levers H H and their attached weights K K, until said levers come to a horizontal position. Then, the gravity of the said weights still operating, the sliding extensions of the levers H H are thereby gradually drawn out, with the effect of lengthening said levers, as shown in dotted lines, Fig. 1, whereby a con tinuously-increasing pressure from the beginning to the end of the operation is exerted through the plates F E and standards gr} upon the matter under treatment.

It will be seen that this device possesses great advantages over the ordinary screw and other presses in which there is no provision for the application of constantly-increasing pressure.

In the drawings is shown a press designed especially for stearine, which would be placed in suitable bags and introduced into the cylinder C, and the oil flowing from the stearine under pressure would then escape through the perforations in the sides of the cylinder 0, in its bottom B, and in the plate E, and flow thence into the tank A,"whence it would be withdrawn through the spout a.

It is obvious that :the tank A may be dispensed with, and that the cylinder 0 may,

The pawl 1' being then without departing from my invention, be constructed and arranged for the reception of ar ticles of stationery, or other articles that may require pressure.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In a press adapted for stearine and other articles, the combination, with the ram or follower-plate, of weighted extension-levers, substantially as herein shown and described, said levers being adaptedand arranged to automatically exercise a continuously-increasing pressure, as set forth.

2. As a means for applying a continuouslyincreasing pressure in a press for stearine and other articles, the combination of extensionlevers and weights, substantially as herein shown and described, said weights being suspended t'rom the outer ends of said levers, as set forth.

3. In a press for stearine and other articles, the combination, with the followerplate or ram, and suitable mechanisms adapted to transmit pressure thereto, of levers H H, having eccentric ends and extension-arms, and attached weights K K, substantially as herein shown and described.

4. The combination, with the longitudinally slotted lever H, provided with eccentric ottset or head 70 and bar on, of lever-section H provided with rod on and studs 0, and swinging weights K K, substantially as herein shown and described.

5. In a press for stearine and other articles, the combination, with the-weighted extensionlevers, substantially as herein shown and described, of suitable devices for elevating and controlling the descent of the same, as set forth.

In testimony that 1 claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 7th day of Februo ary, 1883.

JOHN MCGORD.

\Vitnesses JAcoB J. STORER, ALBERT P. MORIARTY. 

